President Eileen Baughman General Manager Troy Williams twilliams@gbsbooks.com Office Manager Tammy Echter techter@gbsbooks.com 16461 N. 25th Ave Phoenix AZ 85023 Telephone: (602) 863-6000 Outside Phoenix: (800) 851-6001 FAX: (602) 863-2400 E-mail: gbsbooks@gbsbooks.com URL: http://www.gbsbooks.com
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